The Control Loop
The necessary components to provide basic,
single-loop process control
Temperature Regulators
Design & Operation
Provide reliable temperature control without the need for an external power source.
91000
Series
(91000, 91400, 91600)
Thermowells for 91000 Series
Thermal System Selection for 91000 Series
Valve Bodies for 91000 & 91400
Valve Bodies for 91600
91000XT
Series
Tank Thermostat
Pressure Regulators
Design & Operation
Suitable for a variety of pressure regulating and pressure reducing applications.
921
Series (High Capacity)
988
Series (Steam) Discontinued see 995 Series
1002
Series (Water) Discontinued see 995 Series
995
Series (Steam, Water, Air, Oil)
1100
Series (Pipeline Strainer)
Controllers
Design & Operation
Electronic PID and Electric Contact
controllers providing single-loop control.
TR890
Series
Electronic PID Controller
L84000
Series
Electronic Contact Controller
Thermal System Selection for L84000
Thermowells for L84000
Controller Accessories
Products required for the design and installation of a complete control loop.
Solenoid Valve
(960 Series)
I/P Transducer
(TA901)
Air Filter / Regulator
(TA987)
Solid State Relay
(TA600)
Enclosure
(TA302)
Temperature Sensors
(RTD & Thermocouple)
Thermowells for Temperature Sensors
Control Valves
Design & Operation
Pneumatic and Electric operated valves, available in a variety of body materials including Bronze, Cast Iron and Stainless Steel. Control valves are the final element of a control loop.
910
Series
Compact Control Valve
910 Valve Body • Bronze (Single Seat)
910 Valve Body • Bronze (Double Seat)
910 Valve Body • Cast Iron (Double Seat)
910 Valve Body • Cast Steel (Single Seat)
910 Valve Body • Stainless Steel (Single Seat)
910TB Valve Body • Bronze
910TB 3-Way Valve • Bronze
910TB 3-Way Valve • Cast Iron
910TB 3-Way Valve • Stainless Steel
910EPA & 910EPC Valve Body • Bronze (Equal Percentage)
940
Series •
Heavy-Duty Control Valve
940 Valve Body • Bronze (Single Seat)
940 Valve Body • Cast Iron (Single Seat)
940 Valve Body • Cast Iron (Double Seat)
940 Valve Body • Stainless Steel (Single Seat)
940 3-Way Valve • Bronze
940 3-Way Valve • Cast Iron
940 3-Way Valve • Stainless Steel
940E
Series •
Electric Motor Control Valve
940E Valve Body • Bronze (Single Seat)
940E Valve Body • Cast Iron (Single Seat)
940E Valve Body • Cast Iron (Double Seat)
940E Valve Body • Stainless Steel (Single Seat)
940E 3-Way Valve • Bronze
940E 3-Way Valve • Cast Iron
940E 3-Way Valve • Stainless Steel
Technical Information
